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Re: [Xen-devel] disabling of X86_CR4_DE




On 10 Jan 2006, at 07:46, Jan Beulich wrote:

I don't mean the cr4 modification; I rather referred to the feature
flag, which gets cleared in setup_arch_post.h's
machine_specific_modify_cpu_capabilities().

Ah, I think Christian disabled it at some point to work around a crash later in boot. I expect there is a deeper underlying problem that ought to be addressed, rather than simply disabling the feature.

 -- Keir


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